PetSafe Cat Flap - The Door Your Cat Can Open

Description is below picture.
PetSafe Cat Door. Tired of going to the door every time your cat wants to go in or out? The PetSafe Cat Flap cat door allows your pet to come and go as they please. Features include: Magnetic closure to create a tight seal, a transparent flap for easier training, and an easy to use slide lock. Outside dimensions are 8-inches by 8-inches. Flap dimensions are:6-inches by 6 inches.